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Finding the Fourth Proportional to 3,796.95, 5,695.70 and 1,330.91

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Solution

The fourth proportional to 3,796.95, 5,695.70 and 1,330.91 is: 1,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,796.95 : 5,695.70 = 1,330.91 : x
  2. Step 2: Convert to fraction form
    3,796.95/5,695.70 = 1,330.91/x
  3. Step 3: Cross multiply
    3,796.95x = 5,695.70 × 1,330.91
  4. Step 4: Simplify right side
    3,796.95x = 7,580,428.95
  5. Step 5: Solve for x
    x = 7,580,428.95/3,796.95
  6. Step 6: Final answer
    x = 1,996.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.